dose equivalent

American  

noun

Physics.

1. a unit that quantifies the biological effectiveness of an absorbed dose of ionizing radiation, obtained by multiplying the absorbed dose by dimensionless factors that account for the kind of radiation, its energy, and the nature of the absorber: measured in Sievert or rem.

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dose equivalent British  

noun

1. a quantity that expresses the probability that exposure to ionizing radiation will cause biological effects. It is usually obtained by multiplying the dose by the quality factor of the radiation, but other factors may be considered. It is measured in sieverts (SI unit) or rems

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Example Sentences

“Our initial assessment shows that a person would have to spend approximately 20 hours on an elevated area to receive a dose equivalent to one dental X-ray.”

From Los Angeles Times

Mars’s thin atmosphere and the absence of a global magnetic shield meant that its surface, as registered by NASA’s Curiosity rover, was showered by a radiation dose equivalent to 30 chest X-rays — not a lethal dose, but certainly not pleasant to the human constitution.

From New York Times

The mice and monkeys in the new study were given a dose equivalent to about three to six grams a day for humans — a level deemed safe by European regulators, but still on the higher end of the spectrum.

From New York Times

Creatures on Earth’s surface would receive triple the normal radiation dose—equivalent to one or two CT scans per year.

From Science Magazine

According to the government's latest figures on Saturday, more than 19.6 million people in the UK have now received their first dose - equivalent to more than one in three adults.

From BBC